Whole House Humidifier; Type Bypass Unit, Digital Control, Automatic High Output Furnace; Capacity 17 GPD; Effective Area 4200 Square Foot; Warranty 5 Year; Depth 10-1/4 Inch; Height 15-3/4 Inch; Width 15-3/8 Inch; Shipping Weight 10 Pound per Unit; Ceiling Height 8 Foot; Electrical Rating 24 Volt AC 60 Hertz, 0.5 Amp; Flow Rating 150 CFM; Humidity Rate 70 Percent RH (Outside), 35 Percent RH (Room Air); Water Temperature 140 Deg F at 6 GPH; Plenum Opening 10 Inch Width x 12-3/4 Inch Height; Opening Size 6 Inch Diameter; Includes Built-in Bypass Damper, 24 Volt AC Transformer, Outdoor Temperature Sensor, Saddle Valve, Solenoid Valve, Water Panel; Applicable Standard UL